CN105676775A - Method based on double track cache regions for controlling rollback and machining continuing of original path of numerical control machining - Google Patents
Method based on double track cache regions for controlling rollback and machining continuing of original path of numerical control machining Download PDFInfo
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- CN105676775A CN105676775A CN201610019660.3A CN201610019660A CN105676775A CN 105676775 A CN105676775 A CN 105676775A CN 201610019660 A CN201610019660 A CN 201610019660A CN 105676775 A CN105676775 A CN 105676775A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
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Abstract
The invention provides a method based on double track cache regions for controlling rollback and machining continuing of an original path of numerical control machining. The method comprises the following steps: S1, each path step A<n> is saved in a machining path cache region; S2, a rollback command and an original path machining continuing command are given, m is the number of rollback steps, and p is the number of original path machining continuing steps; S3, a path step A<n-x> is obtained, and the method goes to S4 when the path step A<n-x> is blank; S4, when rollback of the path step A<n-x> is completed, the method goes to S6, otherwise, to S5; S5, reverse interpolation is conducted for rollback, and the method goes to S4; S6, the path step A<n-x> is saved into a rollback path cache region, and the method goes to S7; S7, the method determines whether a specified rollback path step A<n-m> is reached, if so, the method goes to S8, and if not, the method repeats S3; S8, the method determines whether machining should be continued according to the original path, and if so, the method goes to S9; S9, a path step A<n-m+y> is obtained for machining, and the method goes to S10; S10, the path step A<n-m+y> is saved into the machining path cache region and deleted from the rollback path cache region, and the method goes to S11; and S11, the method determines whether the machining is completed according to required steps of the original path.
Description
Technical field
The present invention relates to the former track rollback of a kind of digital control processing based on dual trace buffer area and continue the control method of processing.
Background technology
Digit Control Machine Tool is the capital equipment of metal material processing, and user can pass through numerical programming processor and realize processing automatically.
Sometimes because the factors such as the inhomogeneities of machined material, machined parameters cause the uncertain section of situation occurring not meeting processing request in the course of processing; and in some course of processing; due to special control requirement, it is necessary to cutter is along machining locus rollback. When this happens, it is necessary to adopt the method for rollback processing that cutter is return back to appointment position along the former track of machining locus, and then start processing, continue processing along former machining locus. Owing to processor there may exist the problems such as instruction and radius compensation such as programming jump, circulation, subroutine call; it is extremely difficult for will realizing rollback processing according to program; existing digital control system is generally adopted the method for track storage and realizes rollback processing; that is: open up certain track buffer area in internal system and record the machining locus data performed; add the use in the man-hour path implementation backtracking by recording performing rollback, but this method there is problems in that
Owing to current former track rollback controls the method that technology generally all adopts single-track buffer area; therefore only realize single step rollback and whole track rollback, it is impossible to realize the former track carried out when not breaking working after arbitrarily walking track rollback and arbitrarily walking rollback and arbitrarily walk continuation processing.
Summary of the invention
The present invention provides the former track rollback of a kind of digital control processing based on dual trace buffer area and continues the control method of processing, including:
S1, by the often step track A of processingnAll being sequentially stored into machining locus buffer area and indicate, n is step number;
S2, issues back-off instruction and former track continues Machining Instruction, and wherein, m is rollback step number, and p is that former track continues processing step number, and m is be more than or equal to 1 and less than or equal to n;
S3, obtains A from described machining locus buffer arean-xThe track of step, and judge An-xWhether the track of step is empty, and wherein, x is 0,1,2,3... for order, no, enters step S4;
S4, it is judged that An-xWhether rollback is complete for the track of step, no, enters step S5, is, enters step S6;
S5, reverse interpolation carries out rollback, and enters step S4;
S6, by An-xThe track of step is stored in rollback track buffer area, and enters step S7;
S7, deletes A in described machining locus buffer arean-xThe track of step, and judge whether to regulation rollback track An-mStep, is enter step S8, no, repeats step S3;
S8, it may be judged whether continue processing according to former track, be, enters step S9, no, enters step S12;
S9, obtains A from described rollback track buffer arean-m+yThe track of step is processed, and wherein, y is 0,1,2,3... for order, and enters step S10;
S10, by An-m+yThe track of step is stored in described machining locus buffer area, and deletes A from described rollback track buffer arean-m+yThe track of step, and enter step S11;
S11, it may be judged whether the former track completion of processing of step number on request, is enter step S12, no, enters step S9;
S12, empties described rollback track buffer area, terminates former track and continues processing.
Further, in step s3, when described machining locus buffer area is empty, directly terminate.
Further, in the step s 7, when arriving regulation rollback track An-mDuring step, An-1Walk An-mThe track of step all orders are stored in described rollback track buffer area.
Further, in the step s 7, when arriving regulation rollback track An-mDuring step, An-1Walk An-mThe track of step all orders are deleted from described machining locus buffer area.
Further, in step s 11, when being worked into An-m+pDuring step, it is judged that the former track completion of processing of step number on request.
Further, when p is more than n, described former track is made to continue processing step number p equal to m.
Further, when being worked into AnDuring step, it is judged that the former track completion of processing of step number on request.
Further, in step s 11, when judging the former track completion of processing of step number on request, An-m+1Walk An-m+pThe track of step all orders are stored in described machining locus buffer area.
Further, in step s 11, when judging the former track completion of processing of step number on request, An-m+1Walk An-m+pThe track of step all orders are deleted from described rollback track buffer area.
Further, described control method is used for Digit Control Machine Tool.
The control method of the former track rollback of digital control processing provided by the invention and continuation processing; by arranging machining locus buffer area and rollback track buffer area; and flag bit is set, such that it is able to realize the former track that arbitrarily walks after arbitrarily walking former track rollback and realizing former track rollback to continue processing.
Accompanying drawing explanation
Fig. 1 for the embodiment of the present invention provide based on dual trace buffer area the former track rollback of digital control processing and continue the flow chart of control method of processing.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail. It is understood that specific embodiment described herein is used only for explaining the present invention, but not limitation of the invention. It also should be noted that, for the ease of describing, accompanying drawing illustrate only part related to the present invention but not entire infrastructure.
Refer to the control method that Fig. 1, the former track rollback of a kind of digital control processing based on dual trace buffer area and continuation are processed, including:
S1, by the often step track A of processingnAll being sequentially stored into machining locus buffer area and indicate, n is step number.
S2, issues back-off instruction and former track continues Machining Instruction, and wherein, m is rollback step number, and p is that former track continues processing step number, and m is be more than or equal to 1 and less than or equal to n. When p is more than n, described former track is made to continue processing step number p equal to m.
S3, obtains A from described machining locus buffer arean-xThe track of step, and judge An-xWhether the track of step is empty, no, enters step S4, is then directly terminate.
S4, it is judged that An-xWhether rollback is complete for the track of step, no, enters step S5, is, enters step S6.
S5, reverse interpolation carries out rollback, and enters step S4;
S6, by An-xThe track of step is stored in rollback track buffer area, and wherein, x is order is the integer of 0,1,2,3..., and enters step S7;
S7, deletes A in described machining locus buffer arean-xThe track of step, and judge whether to regulation rollback track An-mStep, is enter step S8, no, repeats step S3 until returning back to regulation rollback track An-mStep. Further, in the step s 7, when arriving regulation rollback track An-mDuring step, An-1Walk An-mThe track of step all orders are stored in described rollback track buffer area. Further, in the step s 7, when arriving regulation rollback track An-mDuring step, An-1Walk An-mThe track of step all orders are deleted from described machining locus buffer area.
S8, it may be judged whether continue processing according to former track, be, enters step S9, no, enters step S12;
S9, obtains A from described rollback track buffer arean-m+yThe track of step is processed, and wherein, y is order is the integer of 0,1,2,3..., and enters step S10;
S10, by An-m+yThe track of step is stored in described machining locus buffer area, and deletes A from described rollback track buffer arean-m+yThe track of step, and enter step S11;
S11, it may be judged whether the former track completion of processing of step number on request, is enter step S12, no, enters step S9. In step s 11, when being worked into An-m+pStep or AnDuring step, it is judged that the former track completion of processing of step number on request. Further, when judging the former track completion of processing of step number on request, An-m+1Walk An-m+pThe track of step all orders are deleted from described rollback track buffer area, and by An-m+1Walk An-m+pThe track of step all orders are stored in described machining locus buffer area.
S12, empties described rollback track buffer area, terminates former track and continues processing.
The embodiment of the present invention provides, and described control method may be used for Digit Control Machine Tool.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle. It will be appreciated by those skilled in the art that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute without departing from protection scope of the present invention. Therefore, although the present invention being described in further detail by above example, but the present invention is not limited only to above example, when without departing from present inventive concept, other Equivalent embodiments more can also be included, and the scope of the present invention is determined by appended right.
Claims (10)
1. the control method of the former track rollback of the digital control processing based on dual trace buffer area and continuation processing, it is characterised in that including:
S1, by the often step track A of processingnAll being sequentially stored into machining locus buffer area and indicate, n is step number;
S2, issues back-off instruction and former track continues Machining Instruction, and wherein, m is rollback step number, and p is that former track continues processing step number, and m is be more than or equal to 1 and less than or equal to n;
S3, obtains A from described machining locus buffer arean-xThe track of step, and judge An-xWhether the track of step is empty, and wherein, x is order is the integer of 0,1,2,3..., no, enters step S4;
S4, it is judged that An-xWhether rollback is complete for the track of step, no, enters step S5, is, enters step S6;
S5, reverse interpolation carries out rollback, and enters step S4;
S6, by An-xThe track of step is stored in rollback track buffer area, and enters step S7;
S7, deletes A in described machining locus buffer arean-xThe track of step, and judge whether to regulation rollback track An-mStep, is enter step S8, no, repeats step S3;
S8, it may be judged whether continue processing according to former track, be, enters step S9, no, enters step S12;
S9, obtains A from described rollback track buffer arean-m+yThe track of step is processed, and wherein, y is order is the integer of 0,1,2,3..., and enters step S10;
S10, by An-m+yThe track of step is stored in described machining locus buffer area, and deletes A from described rollback track buffer arean-m+yThe track of step, and enter step S11;
S11, it may be judged whether the former track completion of processing of step number on request, is enter step S12, no, enters step S9;
S12, empties described rollback track buffer area, terminates former track and continues processing.
2., as claimed in claim 1 based on the former track rollback of digital control processing of dual trace buffer area and the control method continuing processing, it is characterised in that in step s3, when described machining locus buffer area is empty, directly terminate.
3. as claimed in claim 1 based on the former track rollback of digital control processing of dual trace buffer area and the control method continuing processing, it is characterised in that in the step s 7, when arriving regulation rollback track An-mDuring step, An-1Walk An-mThe track of step all orders are stored in described rollback track buffer area.
4. as claimed in claim 1 based on the former track rollback of digital control processing of dual trace buffer area and the control method continuing processing, it is characterised in that in the step s 7, when arriving regulation rollback track An-mDuring step, An-1Walk An-mThe track of step all orders are deleted from described machining locus buffer area.
5. as claimed in claim 1 based on the former track rollback of digital control processing of dual trace buffer area and the control method continuing processing, it is characterised in that in step s 11, when being worked into An-m+pDuring step, it is judged that the former track completion of processing of step number on request.
6., as claimed in claim 5 based on the former track rollback of digital control processing of dual trace buffer area and the control method continuing processing, it is characterised in that when p is more than n, make described former track continue processing step number p equal to m.
7. as claimed in claim 6 based on the former track rollback of digital control processing of dual trace buffer area and the control method continuing processing, it is characterised in that when being worked into AnDuring step, it is judged that the former track completion of processing of step number on request.
8. as claimed in claim 1 based on the former track rollback of digital control processing of dual trace buffer area and the control method continuing processing, it is characterised in that in step s 11, when judging the former track completion of processing of step number on request, An-m+1Walk An-m+pThe track of step all orders are stored in described machining locus buffer area.
9. as claimed in claim 1 based on the former track rollback of digital control processing of dual trace buffer area and the control method continuing processing, it is characterised in that in step s 11, when judging the former track completion of processing of step number on request, An-m+1Walk An-m+pThe track of step all orders are deleted from described rollback track buffer area.
10. as claimed in claim 1 based on the former track rollback of digital control processing of dual trace buffer area and the control method continuing processing, it is characterised in that described control method is used for Digit Control Machine Tool.
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| CN201610019660.3A CN105676775B (en) | 2016-01-13 | 2016-01-13 | A kind of digital control processing original track rollback and the control method for continuing processing |
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| CN111367234A (en) * | 2018-12-26 | 2020-07-03 | 沈阳高精数控智能技术股份有限公司 | Hand wheel trial cut rollback control method based on three-ring queue |
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